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MALPEDIA_Win_Adkoob_Auto

autogenerated rule brought to you by yara-signator

MalwareAdkoobMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
Author
Felix Bilstein - yara-signator at cocacoding dot com
Date
2026-05-04
Modified
2026-05-18
Score / Quality
75 / 75

What this rule detects

autogenerated rule brought to you by yara-signator

Associated malware family: Adkoob.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-adkoob-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Adkoob_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "31d519a5-a3ba-5bea-a6ea-39763307fca8"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.adkoob"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.adkoob_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "e36d952d51e8218edeee9b9628905297b79aaf46d498f66614e0fb63919bc975"
		score = 75
		quality = 75
		tags = "FILE"
		version = "1"
		tool = "yara-signator v0.6.0"
		signator_config = "callsandjumps;datarefs;binvalue"
		malpedia_rule_date = "20260422"
		malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
		malpedia_version = "20260504"
		malpedia_license = "CC BY-SA 4.0"
		malpedia_sharing = "TLP:WHITE"

	strings:
		$sequence_0 = { 8b5678 85d2 740f 395a04 7406 8b12 85d2 }
		$sequence_1 = { e8???????? 8d4618 e8???????? c20400 55 8bec 8a4508 }
		$sequence_2 = { 8b442434 8bce 98 50 ff742414 ff742474 52 }
		$sequence_3 = { 8b4b40 52 50 57 8bd6 e8???????? 8b7dec }
		$sequence_4 = { e9???????? 8b45c8 8d55cc 52 50 8b08 ff511c }
		$sequence_5 = { ff75d8 50 ff521c 385d08 6a04 58 0f45d8 }
		$sequence_6 = { ffb6b0000000 6a03 e8???????? 83c410 33c0 40 8886aa000000 }
		$sequence_7 = { ff75d8 8bcf 8bf0 ff75ec 6a4c 5a e8???????? }
		$sequence_8 = { 894ddc 8b4d08 8b5104 8bce 8b1410 e8???????? 8945d0 }
		$sequence_9 = { f7430800080000 7459 6b0118 89442424 8b4104 89442454 8b442438 }

	condition:
		7 of them and filesize < 1867776
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8b5678 85d2 740f 395a04 7406 8b12 85d2 }
$sequence_1hex{ e8???????? 8d4618 e8???????? c20400 55 8bec 8a4508 }
$sequence_2hex{ 8b442434 8bce 98 50 ff742414 ff742474 52 }
$sequence_3hex{ 8b4b40 52 50 57 8bd6 e8???????? 8b7dec }
$sequence_4hex{ e9???????? 8b45c8 8d55cc 52 50 8b08 ff511c }
$sequence_5hex{ ff75d8 50 ff521c 385d08 6a04 58 0f45d8 }
$sequence_6hex{ ffb6b0000000 6a03 e8???????? 83c410 33c0 40 8886aa000000 }
$sequence_7hex{ ff75d8 8bcf 8bf0 ff75ec 6a4c 5a e8???????? }
$sequence_8hex{ 894ddc 8b4d08 8b5104 8bce 8b1410 e8???????? 8945d0 }
$sequence_9hex{ f7430800080000 7459 6b0118 89442424 8b4104 89442454 8b442438 }

Condition

7 of them and filesize < 1867776

In plain words (Heuristic)

  • The file must be smaller than 1867776 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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References

Licence & attribution

Author: Felix Bilstein - yara-signator at cocacoding dot com

Source repository: Malpedia signator rules @ c901f97b7d

Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: 31d519a5-a3ba-5bea-a6ea-39763307fca8

Metadata

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE